With its beefy 4, 000mAh battery, the Redmi Note 3 is more than capable of making it through an entire day of moderate usage. Our battery test – which involves streaming a HD video from Netflix for an hour with screen brightness at full and volume turned up – depleted the Redmi Note 3s battery by around 9% . Sadly, fast charging isnt included, but the size of the battery means that you wont need to top it up throughout the day anyway.The Redmi Note 3 comes in 16 and 32GB storage options, but theres no way to add to that total since it lacks a microSD card slot. Given that the larger capacity model has 3GB of RAM instead of 2GB, its advisable to opt for that if you can afford it.